Home / 3,621.53-5,427.96-1,867.38

Finding the Fourth Proportional to 3,621.53, 5,427.96 and 1,867.38

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Solution

The fourth proportional to 3,621.53, 5,427.96 and 1,867.38 is: 2,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.53 : 5,427.96 = 1,867.38 : x
  2. Step 2: Convert to fraction form
    3,621.53/5,427.96 = 1,867.38/x
  3. Step 3: Cross multiply
    3,621.53x = 5,427.96 × 1,867.38
  4. Step 4: Simplify right side
    3,621.53x = 10,136,063.94
  5. Step 5: Solve for x
    x = 10,136,063.94/3,621.53
  6. Step 6: Final answer
    x = 2,798.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.